Payment systems: NEFT, RTGS, IMPS and UPI

A payment system is the infrastructure that moves money between accounts safely and quickly. Before instant mobile payments, most transfers relied on cheques, cash or branch-based instructions, which were slow and costly, especially for small amounts and rural users. Modern systems differ in speed, cost, settlement method and use: some suit large corporate transfers, others suit everyday retail payments. Choosing between them is a practical question for households, firms and the state.

The National Electronic Funds Transfer, or NEFT, introduced in 2005, allows retail transfers between bank accounts in batches, while Real Time Gross Settlement, or RTGS, settles high-value transfers individually and immediately, with a minimum threshold that has historically been set at two lakh rupees. Immediate Payment Service, or IMPS, launched in 2010, enabled instant transfers around the clock, including through mobile phones. These systems are operated or overseen within the Reserve Bank's payment framework, and the National Payments Corporation of India plays a central operational role for retail systems.

The Unified Payments Interface, or UPI, launched by the National Payments Corporation of India in 2016, allows instant bank-to-bank transfers using a mobile phone, a virtual payment address or a QR code, without sharing full bank account details. It has become India's dominant retail payment rail, used for person-to-person transfers, merchant payments, bill payments and government collections. Its open, interoperable design, with many apps and banks on the same network, is often contrasted with closed wallet systems. Low or zero charges for many small transactions helped adoption, though the question of who bears the cost of running the system remains debated.

Payment systems raise regulatory questions beyond technology: fraud and grievance redress, data protection, competition among apps and banks, resilience when systems fail, and inclusion for people without smartphones or reliable connectivity. The Reserve Bank's Payment and Settlement Systems Act, 2007, gives it authority over payment systems, and its oversight aims to balance innovation with safety. For civil studies, payments are a reminder that markets depend on shared infrastructure, and that the design of that infrastructure, including fees, access rules and liability for failed transactions, distributes gains and risks across society.